a student sitting at the back pf the classroom can not read clearly the lotters written on the blackboard.what advice will a dpctor give him ? how can be rectified this defer?
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Answer:
The student is suffering from myopia. The doctor will advice the student to wear spectacles having concave lens of suitable focal length or power.
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1
Answer:
The student is suffering from myopia. The doctor will advice the student to wear spectacles having concave lens of suitable focal length or power.
Explanation:
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